Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/chart/ChartFactory.java @ 67:0e9762ebd18d

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Refactor ChartFactory so that it is able to be compiled without errors. gnv-artifacts/trunk@50 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Wed, 09 Sep 2009 13:14:12 +0000
parents 8b75d01fa5b5
children d117fd4b82e5
rev   line source
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1 /**
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2 * Title: ChartFactory, $Header: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v 1.8 2007/12/21 12:31:15 blume Exp $
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3 * Source: $Source: /share/gdi/SDI-Suite/Repository/projekte/BSH-GDI/genericViewer/src/main/java/de/conterra/bsh/gdi/gnviewer/output/chart/ChartFactory.java,v $
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4 * created by: Stefan Blume (blume)
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5 * erstellt am: 06.12.2007
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6 * Copyright: con terra GmbH, 2005
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7 *
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8 * modified by: $Author: blume $
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9 * modified on: $Date: 2007/12/21 12:31:15 $
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10 * Version: $Revision: 1.8 $
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11 * TAG: $Name: $
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12 * locked from: $Locker: $
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13 * CVS State: $State: Exp $
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14 * Project: $ProjectName$
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15 */
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16 package de.intevation.gnv.chart;
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17
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18 import java.awt.Color;
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19 import java.awt.Font;
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20 import java.awt.image.BufferedImage;
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21 import java.io.BufferedOutputStream;
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22 import java.io.FileOutputStream;
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23 import java.io.FileReader;
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24 import java.io.IOException;
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25 import java.io.OutputStream;
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26 import java.util.Collection;
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27 import java.util.Date;
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28 import java.util.Iterator;
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29
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30 import org.apache.log4j.Logger;
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31 import org.jfree.chart.JFreeChart;
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32 import org.jfree.chart.axis.AxisLocation;
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33 import org.jfree.chart.axis.DateAxis;
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34 import org.jfree.chart.axis.NumberAxis;
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35 import org.jfree.chart.axis.NumberTickUnit;
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36 import org.jfree.chart.encoders.KeypointPNGEncoderAdapter;
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37 import org.jfree.chart.plot.PlotOrientation;
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38 import org.jfree.chart.plot.XYPlot;
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39 import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
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40 import org.jfree.chart.renderer.xy.XYLineAndShapeRenderer;
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41 import org.jfree.data.time.Minute;
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42 import org.jfree.data.time.TimeSeries;
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43 import org.jfree.data.time.TimeSeriesCollection;
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44 import org.jfree.data.xy.XYDataset;
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45 import org.jfree.ui.RectangleInsets;
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46
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47 import de.intevation.gnv.chart.exception.TechnicalChartException;
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48 import de.intevation.gnv.geobackend.base.Result;
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49 import de.intevation.gnv.transition.describedata.KeyValueDescibeData;
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50
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51 /**
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52 * The class <code>ChartFactory</code> fulfills the following purposes:
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53 * <ol>
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54 * <li></li>
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55 * </ol>
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56 *
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57 * @author blume
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58 * @version 1.0
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59 * @serial 1.0
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60 * @see
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61 * @since 06.12.2007 17:25:59
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62 */
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63 public class ChartFactory {
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64
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65 /**
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66 * Default Logging instance
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67 */
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68 private static Logger sLogger = Logger.getLogger(ChartFactory.class);
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69 private static boolean sDebug = sLogger.isDebugEnabled();
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70
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71
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72 public synchronized void createSimpleTimeSeriesChart(ChartLabels pLabels, ChartStyle pStyle, String pTimeSeriesName, KeyValueDescibeData[] pParameterId,KeyValueDescibeData[] pMeasurementId, KeyValueDescibeData[] pFeatureId , OutputStream outputStream, Collection<Result> resultSet) throws IOException, TechnicalChartException {
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73 if (sDebug)
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74 sLogger.debug("createSimpleTimeSeriesChart()");
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75 int lLowerLevel = Integer.MIN_VALUE;
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76 int lUpperLevel = Integer.MAX_VALUE;
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77 if (pStyle.isUseUpperDataLevel()
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78 && pStyle.getUpperLevel() < Integer.MAX_VALUE) {
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79 lUpperLevel = pStyle.getUpperLevel();
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80 }
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81 if (pStyle.isUseLowerDataLevel()
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82 && pStyle.getLowerLevel() > Integer.MIN_VALUE) {
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83 lLowerLevel = pStyle.getLowerLevel();
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84 }
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85 if (sDebug)
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86 sLogger.debug(" vor createDataset()");
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87 XYDataset lSet = createDataset(pTimeSeriesName, resultSet, lUpperLevel,
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88 lLowerLevel,pParameterId,pMeasurementId,pFeatureId);
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89 if (sDebug)
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90 sLogger.debug(" nach createDataset()");
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91 final Color[] color = {Color.black, Color.red, Color.green, Color.blue};
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92 DateAxis domain = new DateAxis("Zeit [UTC]");
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93 NumberAxis axis;
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94 StandardXYItemRenderer renderer = new StandardXYItemRenderer();
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95 XYPlot plot = new XYPlot();
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96 //Global settings
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97
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98 plot.setOrientation(PlotOrientation.VERTICAL);
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99 plot.setBackgroundPaint(Color.lightGray);
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100 plot.setDomainGridlinePaint(Color.white);
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101 plot.setRangeGridlinePaint(Color.white);
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102 plot.setAxisOffset(new RectangleInsets(5.0,5.0,5.0,5.0));
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103 //plot.getRangeAxis().setFixedDimension(10.0);
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104 plot.setDomainAxis(domain);
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105 plot.setDomainAxisLocation(AxisLocation.BOTTOM_OR_LEFT);
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106 if (pParameterId.length == 1) {
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107 axis = new NumberAxis(pParameterId[0].getValue());
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108 if(pParameterId[0].getValue().contains("richtung")){
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109 NumberAxis axis1 = new NumberAxis(
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110 ((String) pParameterId[0].getValue()));//,new Range(0.0,360.0));
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111 axis1.setTickUnit(new NumberTickUnit(30.0));
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112 axis1.setUpperBound(360.0);
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113 axis1.setLowerBound(0.0);
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114 //axis1.setDisplayRange(0.0,360.0);
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115 plot.setRangeAxis( axis1);
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116 }else{
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117 axis.setFixedDimension(10.0);
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118 axis.setAutoRangeIncludesZero(false);
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119 plot.setRangeAxis(axis);
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120 }
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121 axis.configure();
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122 plot.setRangeAxisLocation( AxisLocation.BOTTOM_OR_LEFT);
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123 plot.setRenderer(renderer);
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124 plot.setDataset(lSet);
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125 } else {
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126 // Individual settings for different parameters
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127 for (int i = 0; i < lSet.getSeriesCount(); i++) {
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128
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129 plot.setDataset(i, getDataset((TimeSeriesCollection) lSet, i));
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130 Color mColor=color[i % color.length]; // zyklische Farbvergabe
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131 mColor = color[0];
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132 // if ( pParameterId.length==1){
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133
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134 if(((String) lSet.getSeriesKey(i)).contains("richtung")){
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135 NumberAxis axis1 = new NumberAxis(((String) lSet.getSeriesKey(i)));//,new Range(0.0,360.0));
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136 axis1.setTickUnit(new NumberTickUnit(30.0));
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137 //axis1.setDisplayRange(0.0,360.0);
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138 axis1.setLabelPaint(mColor);
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139 axis1.setTickLabelPaint(mColor);
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140 axis1.setUpperBound(360.0);
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141 axis1.setLowerBound(0.0);
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142 plot.setRangeAxis(i, axis1);
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143
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144
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145 }
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146 else {
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147 axis = new NumberAxis((String) lSet.getSeriesKey(i));
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148 axis.setFixedDimension(10.0);
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149 axis.setAutoRangeIncludesZero(false);
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150 axis.setLabelPaint(mColor);
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151 axis.setTickLabelPaint(mColor);
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152 plot.setRangeAxis(i, axis);
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153 axis.configure();
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154 }
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155 if (i % 2 != 0)
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156 plot.setRangeAxisLocation(i, AxisLocation.BOTTOM_OR_RIGHT);
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157 else
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158 plot.setRangeAxisLocation(i, AxisLocation.BOTTOM_OR_LEFT);
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159 plot.mapDatasetToRangeAxis(i, i);
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160 // }
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161 renderer = new StandardXYItemRenderer();
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162 renderer.setSeriesPaint(i, mColor);
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163 // renderer.setSeriesStroke(i,stroke[j]);
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164 plot.setRenderer(i, renderer);
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165 }
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166 }
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167 JFreeChart chart = new JFreeChart(
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168 pLabels.getTitle(),
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169 new Font ("SansSerif",Font.BOLD,24),
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170 plot,true);
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171
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172
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173 setStyle(chart, pStyle);
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174 configureRenderingOptions(chart);
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175 if (sDebug)
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176 sLogger.debug(" vor encodeChart()");
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177
67
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178 encodeChart(chart, pStyle, outputStream);
65
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179 }
67
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180 private static XYDataset getDataset(TimeSeriesCollection T, int pIndex){ //throws TechnicalChartException{
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181 //if (T.getSeriesCount() < pIndex) throw TechnicalChartException();
65
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182 TimeSeriesCollection TSC = new TimeSeriesCollection();
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183 TSC.addSeries(T.getSeries(pIndex));
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184 return (XYDataset) TSC;
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185 }
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186
65
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187 private void configureRenderingOptions(JFreeChart pJfreechart) {
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188 org.jfree.chart.renderer.xy.XYItemRenderer xyitemrenderer = ((XYPlot) pJfreechart
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189 .getPlot()).getRenderer();
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190 if (xyitemrenderer instanceof XYLineAndShapeRenderer) {
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191 XYLineAndShapeRenderer xylineandshaperenderer = (XYLineAndShapeRenderer) xyitemrenderer;
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192 xylineandshaperenderer.setBaseShapesVisible(true);
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193 xylineandshaperenderer.setBaseShapesFilled(true);
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194 }
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195 }
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196
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197 private void setStyle(JFreeChart pJfreechart, ChartStyle pStyle) {
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198 if (sDebug)
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199 sLogger.debug("setStyle()");
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200 pJfreechart.setBackgroundPaint(pStyle.getCanvasColor());
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201 XYPlot xyplot = (XYPlot) pJfreechart.getPlot();
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202 xyplot.setBackgroundPaint(pStyle.getPlotBackgroundColor());
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203 xyplot.setDomainGridlinePaint(pStyle.getDomainGridlineColor());
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204 xyplot.setRangeGridlinePaint(pStyle.getRangeGridlineColor());
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205
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206 Insets lOffsets = pStyle.getAxisOffset();
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207 RectangleInsets lRectangleInsets = new RectangleInsets(lOffsets.mUpper,
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208 lOffsets.mLeft, lOffsets.mLower, lOffsets.mRight);
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209 xyplot.setAxisOffset(lRectangleInsets);
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210 xyplot.setDomainCrosshairVisible(pStyle.isDomainCrosshairVisible());
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211 xyplot.setRangeCrosshairVisible(pStyle.isRangeCrosshairVisible());
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212
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213 }
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214
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215
67
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216 private TimeSeries createTimeSeries(String pTimeSeriesName, Collection<Result> resultSet,
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217 int lUpperCut, int lLowerCut,int pStart,int pEnd, Date dStart, Date dEnd) throws TechnicalChartException{
65
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218 if (sDebug)
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219 sLogger.debug("createTimeSeries()");
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diff changeset
220 Result lRow0, lRow1, lRowVorEnd;
65
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221
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222 Date lDate=null, lDate0=null;
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223
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224 TimeSeries lTimeseries = new TimeSeries(pTimeSeriesName,
65
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225 org.jfree.data.time.Minute.class);
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226 try {
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227 long maxGap=0, lDateDiff=0;
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228 double lValue=0;
67
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diff changeset
229
65
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230
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231 int i = 0;
67
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diff changeset
232 Iterator<Result> resultIterator = resultSet.iterator();
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diff changeset
233 while (resultIterator.hasNext()){
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234 Result lRow = resultIterator.next();
65
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235 if (i >= pStart+1 && i <= pEnd){
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236 if (i == pStart+1){
67
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diff changeset
237 lRow0 = lRow;//
65
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238
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239 // Handle Gaps > 0.5% timeserieslength, i.e do not draw here
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240 // +TODO mache maxGap variabel �ber diagram options
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241 maxGap = (dEnd.getTime() - dStart.getTime()) / 200; // 0,5 prozent der L�nge
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242 if (maxGap < 3600000) maxGap=3600010;
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243 if (maxGap <(dEnd.getTime() - dStart.getTime())/(pEnd-pStart))
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244 maxGap = (dEnd.getTime() - dStart.getTime())/(pEnd-pStart) + 1000;
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245
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246 if (sDebug)
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247 sLogger.debug("MaxGap : "+maxGap/1000+" L�nge : "+(dEnd.getTime() - dStart.getTime())/1000+
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248 "Intervall "+(dEnd.getTime() - dStart.getTime())/(pEnd-pStart)/1000);
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249 lDate = lRow0.getDate("PARAMETERID");
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250 lDate0 = lDate;
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251 lValue = lRow0.getDouble("DATAVALUE");
65
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252 if (lValue > lLowerCut && lValue < lUpperCut){
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253 //lTimeseries.addOrUpdate(new Minute(lDate), lValue);
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254 lTimeseries.add(new Minute(lDate), lValue);
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255 }
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256 }
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257 //for (int i = pStart+1; i <= pEnd; i++) {
67
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diff changeset
258 lRow1 =lRow;
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259 lDate = lRow1.getDate("PARAMETERID");
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260 lValue = lRow1.getDouble("DATAVALUE");
65
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261 lDateDiff = lDate.getTime() - lDate0.getTime();
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262 if (lDateDiff > maxGap) {
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263 // add 1 minute in millisecs to left hand side Date
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264 // and insert Dummy to break line
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265 lDate0.setTime((lDate0.getTime() + 60000));
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266 lTimeseries.addOrUpdate(new Minute(lDate0), null);
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267 lTimeseries.addOrUpdate(new Minute(lDate), lValue);
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268 //lTimeseries.add(new Minute(lDate0), null);
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269 } else if (lDateDiff == 0) {
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270 if (sDebug)
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271 sLogger.debug("Datediff: "+lDateDiff+" bei index : "+i+" Datum : "+lDate+" "+lDate0);
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272 }
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273 else if (lValue > lLowerCut && lValue < lUpperCut) {
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274 lTimeseries.addOrUpdate(new Minute(lDate), lValue);
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275 //lTimeseries.add(new Minute(lDate), lValue);
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276 }
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277 lRow0 = lRow1;
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278 lDate0 = lDate;
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279 }
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280 i++;
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281 }
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282
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283
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284 } catch (OutOfMemoryError e) {
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285 sLogger.error(e.getMessage(), e);
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286 return lTimeseries;
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287
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288 } catch (Exception e) { //TechnicalChartException
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289 sLogger.error(e.getMessage(), e);
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290 }
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291 finally {
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292 }
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293
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294 return lTimeseries;
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295 }
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296
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297 private XYDataset createDataset(String pTimeseriesName, Collection<Result> resultSet,
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298 int lUpperCut, int lLowerCut,KeyValueDescibeData[] pParameterId,
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299 KeyValueDescibeData[] pMeasurementId, KeyValueDescibeData[] pFeatureID) throws TechnicalChartException {
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300
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301 TimeSeriesCollection lTimeSeriesCollection = new TimeSeriesCollection();
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302 try{
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303 Date dStart = null, dEnd= null;
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304 int break1, break2, break3;
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305 int mStart = 0;
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306 int mEnd = 0;
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307
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308
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309 Iterator<Result> resultIterator = resultSet.iterator();
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310 if (resultIterator.hasNext()){
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311 // Row row = new Row(sArrayStrLine);
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312 Result row = resultIterator.next();
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313
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314 break1 = row.getInteger("PARAMETERID").intValue(); // 2
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315 break2 = row.getInteger("MEASUREMENTID").intValue(); //3
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316 break3 = row.getInteger("TIMESERIESID").intValue(); // 4
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317 dStart = row.getDate("TIMEVALUE");
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318 int i = 1;
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319 while (resultIterator.hasNext()) {
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320 row = resultIterator.next();
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321 if (break1 != row.getInteger("PARAMETERID").intValue()
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322 || break2 != row.getInteger("MEASUREMENTID").intValue()
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323 || break3 != row.getInteger("TIMESERIESID").intValue()){
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324 String mTimeSeriesName = findValueTitle(pParameterId,break1)+" "+
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325 findValueTitle(pMeasurementId,break2)+"m";
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326
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327 lTimeSeriesCollection.addSeries(createTimeSeries(mTimeSeriesName,
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328 resultSet, lUpperCut, lLowerCut, mStart, mEnd, dStart, dEnd));
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329 mStart = i;
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330 dStart = row.getDate("TIMEVALUE");
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331 break1 = row.getInteger("PARAMETERID").intValue();
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332 break2 = row.getInteger("MEASUREMENTID").intValue(); //3
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333 break3 = row.getInteger("TIMESERIESID").intValue(); // 4
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334
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335 }
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336 mEnd = i;
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337 //mEnd ++;
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338 dEnd = row.getDate("TIMEVALUE");
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339 i = i + 1;
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340 }
65
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341
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342 String mTimeSeriesName = findValueTitle(pParameterId,break1)+" "+
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343 findValueTitle(pMeasurementId,break2)+"m";
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344 lTimeSeriesCollection.addSeries(createTimeSeries(mTimeSeriesName,
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345 resultSet, lUpperCut, lLowerCut, mStart, mEnd, dStart, dEnd));
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346 }
65
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347 }
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348 catch (Exception e){
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349 sLogger.error(e.getMessage(), e);
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350 }
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351 finally{
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352 }
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353 return lTimeSeriesCollection;
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354 }
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355
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356
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357
67
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358 private void encodeChart(JFreeChart pChart, ChartStyle pStyle, OutputStream outputStream)
65
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359 throws IOException {
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360 if (sDebug)
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361 sLogger.debug("encodeChart()");
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362 KeypointPNGEncoderAdapter lEncoder = new KeypointPNGEncoderAdapter();
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363 lEncoder.setEncodingAlpha(true);
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364
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365 int lWidth = (int) pStyle.getChartSize().getWidth();
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366 int lHeight = (int) pStyle.getChartSize().getHeight();
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367
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368 FileOutputStream lFileOutputStream = null;
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369 BufferedOutputStream lBufferedOutputStream = null;
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370
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371
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372 BufferedImage lImage = pChart.createBufferedImage(lWidth, lHeight,
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373 BufferedImage.BITMASK, null);
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374
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375 lEncoder.encode(lImage, outputStream);
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376
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377 }
65
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378
67
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379 private String findValueTitle(KeyValueDescibeData[] pValueId,int pMmtId){
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380 for (int i=0;i<pValueId.length;i++){
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381 if ((long) pMmtId ==pValueId[i].getKey())return pValueId[i].getValue();
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382 }
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383 return "";
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384 }
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385 }
http://dive4elements.wald.intevation.org